Guildhall is the home of the underground syndicate in Baldurs Gate known as 'The Guild'. The Guildhall map is accessed in a number of ways and is subject to a faction war that can change which NPCs are on the map.. The Guildhall is a location within the Undercity in Act Three of Baldur's Gate 3.
This Baldur's Gate 3 guide provides tips on finding the hidden Guildhall location. Learn everything about BG3 Guildhall.. I get a quest to go there to help someone with 9 fingers. So I find the entrance, the door is locked. I use magic to open it, I walk in, and get attacked by the entire guild, including the 9 fingered woman. So how am I supposed to do it?